18QHTF21-1.180-PD

Overview

The 18QHTF21-1.180-PD is a crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 1.18 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes a standby or power-down function for energy management. It is housed in a surface-mount package with dimensions of 2.0 x 1.6 mm, specifically identified as a 4-SMD, No Lead configuration.

Feature Summary

• Supports low-voltage operation at 1.8V
• Integrates standby mode for power reduction
• Utilizes compact surface-mount packaging

Applications

• Portable electronic devices requiring low power consumption
• Embedded systems utilizing LVCMOS interfaces
• Compact circuit boards with strict space constraints

Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required frequency and voltage specifications. Confirm that the 4-SMD No Lead package matches the PCB footprint design. Check manufacturer documentation for operating temperature ranges and load capacitance requirements before integration into final designs.

Selection Notes

Select this component when a precise 1.18 MHz clock signal is needed within a minimal footprint. Ensure the system design accommodates the 1.8V supply requirement and LVCMOS logic levels. Consider the standby feature if power efficiency is critical for the application environment.

Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in frequency control products. The series offers various frequencies and packages, catering to diverse industrial and consumer electronics needs. Mercury Electronics has a long history in the crystal industry, providing reliable timing solutions.

Replacement Considerations

Direct substitutes may include other 1.18 MHz LVCMOS oscillators in 2.0x1.6mm packages from compatible manufacturers. Verify pinout compatibility and electrical characteristics before substitution.